This photo taken on September 11, 2018 shows a staff member of Singapore technology firm H3 Dynamics using a drone to inspect a building facade in Singapore. – Hi-tech Singapore is planning to roll out a swarm of drones for tasks that include delivering parcels, inspecting buildings and providing security, but safety and privacy concerns mean the initiative may hit turbulence. (Photo by Roslan RAHMAN / Agence France-Presse) / TO GO WITH STORY: Singapore-drones-technology, FOCUS by Martin ABBUGAO

This photo taken on September 11, 2018 shows a staff member of Singapore technology firm H3 Dynamics using a drone to inspect a building facade in Singapore. – Hi-tech Singapore is planning to roll out a swarm of drones for tasks that include delivering parcels, inspecting buildings and providing security, but safety and privacy concerns mean the initiative may hit turbulence. (Photo by Roslan RAHMAN / Agence France-Presse) / TO GO WITH STORY: Singapore-drones-technology, FOCUS by Martin ABBUGAO